Blog
Guides and articles from Pratishna Engineers on choosing, sizing and buying injection moulding machines in India.
What Can You Make on a 55 Ton Vertical Moulding Machine?
Typical 55 ton vertical machine applications: larger plugs, two-exit connectors, heavy cord strain reliefs and grommets, with cavity counts by clamp.
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40 Ton vs 55 Ton Vertical Machine: Which Suits Your Cable Part?
40 ton vs 55 ton vertical machine for cable parts: where the clamp runs out, why a bigger barrel can hurt PVC, and how to decide from your own part.
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Cable Grommets and Strain Reliefs: Mould and Machine Setup
Cable grommet moulding setup: holding the cable in the mould, flexible PVC melt settings by hardness, venting, and sizing the bore for shrinkage.
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Moulding Power Cord Plugs on a 40 Ton Vertical Machine
How a power cord plug moulding machine works: pre-mould and overmould, holding the pins, IS 1293 checks, and planning output around manual loading.
Read moreWhat Can You Make on a 40 Ton Vertical Moulding Machine?
Typical 40 ton vertical machine applications: cord plugs, strain reliefs, grommets and end caps, with cavity counts by clamp and what really limits them.
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Thin-Wall Filling at 220 MPa on a 140 Ton Hybrid Machine
Thin wall injection moulding pressure explained: what 220 MPa means, flow ratios, fill speed, clamp, barrel size and mould needs, with a PP tub check.
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PH 140 vs PH 120: When to Choose the Larger Hybrid
Hybrid injection moulding machine comparison, 120 t vs 140 t: when clamp, shot size or mould fit justify the larger machine, with a worked PC cover check.
Read moreMulti-Cavity Precision Moulds on a 140 Ton Hybrid Machine
Multi cavity precision moulding at 140 t: cavities by clamp and shot, balance and venting, mould fit within the tie bars, and a worked 16-cavity check.
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What Can You Make on a 140 Ton Hybrid Injection Moulding Machine?
What a 140 ton hybrid moulding machine suits: housings, switchgear parts, closures, medical and lighting parts, with area limits and a clamp check.
Read morePower Consumption of a 120 Ton Hybrid vs Hydraulic Machine
Hybrid vs hydraulic power consumption on a 120 t job: where power goes, why connected load misleads, idle costs and kVAh billing, plus a worked example.
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32 mm or 35 mm Screw on the PH 120: Pressure vs Shot Weight
Injection moulding screw size selection on an electric injection unit: how 32 mm and 35 mm screws trade pressure for shot volume, with POM and PP shots.
Read moreMoulding Precision Gears and Connectors on a 120 Ton Hybrid Machine
What a plastic gear moulding machine must control for POM gears and connectors: shrinkage, packing, gating and flame ratings, plus a tolerance check.
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